AU644918B2 - Polyglycerols by bayer process - Google Patents
Polyglycerols by bayer processInfo
- Publication number
- AU644918B2 AU644918B2 AU89576/91A AU8957691A AU644918B2 AU 644918 B2 AU644918 B2 AU 644918B2 AU 89576/91 A AU89576/91 A AU 89576/91A AU 8957691 A AU8957691 A AU 8957691A AU 644918 B2 AU644918 B2 AU 644918B2
- Authority
- AU
- Australia
- Prior art keywords
- pct
- date jun
- bayer process
- sec
- polyglycerols
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
- C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyethers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Plural Heterocyclic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4039053A DE4039053A1 (de) | 1990-12-07 | 1990-12-07 | Polyglycerine im bayer-prozess |
DE4039053 | 1990-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU8957691A AU8957691A (en) | 1992-07-08 |
AU644918B2 true AU644918B2 (en) | 1993-12-23 |
Family
ID=6419792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU89576/91A Ceased AU644918B2 (en) | 1990-12-07 | 1991-11-28 | Polyglycerols by bayer process |
Country Status (10)
Country | Link |
---|---|
US (1) | US5312603A (fr) |
EP (1) | EP0560808B1 (fr) |
AT (1) | ATE120435T1 (fr) |
AU (1) | AU644918B2 (fr) |
BR (1) | BR9107146A (fr) |
CA (1) | CA2097934C (fr) |
DE (2) | DE4039053A1 (fr) |
ES (1) | ES2070524T3 (fr) |
GR (1) | GR3015756T3 (fr) |
WO (1) | WO1992010426A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5385586A (en) * | 1993-03-24 | 1995-01-31 | Nalco Chemical Company | Liquor oxalate stabilizers |
AU670000B2 (en) * | 1994-03-17 | 1996-06-27 | Nalco Chemical Company | Liquid oxalate stabilizers |
GB9800855D0 (en) * | 1998-01-15 | 1998-03-11 | Allied Colloids Ltd | Production of alumina |
DE10009369A1 (de) * | 2000-02-29 | 2001-08-30 | Vaw Ver Aluminium Werke Ag | Aluminiumhydroxidgel |
DE10113294A1 (de) * | 2001-03-16 | 2002-09-19 | Stockhausen Chem Fab Gmbh | Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen |
US7955589B2 (en) * | 2005-06-23 | 2011-06-07 | Nalco Company | Composition and method for improved aluminum hydroxide production |
US7976820B2 (en) * | 2005-06-23 | 2011-07-12 | Nalco Company | Composition and method for improved aluminum hydroxide production |
CN1321064C (zh) * | 2005-07-18 | 2007-06-13 | 贵阳铝镁设计研究院 | 拜尔法种分母液铝酸钡苛化工艺 |
US9284625B2 (en) | 2007-11-20 | 2016-03-15 | Nalco Company | Use of polyols as scale control reagents in the mining processes |
US20100125156A1 (en) * | 2008-11-14 | 2010-05-20 | Smith Kevin W | Condensation reactions for polyols |
US8282689B2 (en) | 2009-07-01 | 2012-10-09 | Nalco Company | Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor |
US8920768B2 (en) | 2013-03-14 | 2014-12-30 | Ecolab Usa Inc. | Crystallization aids for bayer aluminum hydroxide |
US9592456B2 (en) | 2015-02-11 | 2017-03-14 | Ecolab Usa Inc. | Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process |
CN106241844A (zh) * | 2016-07-15 | 2016-12-21 | 牛太同 | 一种砂状氧化铝种子分解添加剂 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0271104A2 (fr) * | 1986-12-11 | 1988-06-15 | Aluminum Company Of America | Hydroxyde d'aluminium sous forme cristalline contrôlée |
EP0286034A1 (fr) * | 1987-04-09 | 1988-10-12 | Nalco Chemical Company | Utilisation de tensio-actifs pendant la précipitation d'alumine dans le procédé Bayer |
EP0327660A1 (fr) * | 1988-02-11 | 1989-08-16 | VAW Aluminium AG | Procédé pour la production de matières de remplissage et de matériaux ignifugents à base d'hydroxyde d'aluminium sous forme d'hydrargillite |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2440378A (en) * | 1946-09-13 | 1948-04-27 | Aluminum Co Of America | Treatment of sodium aluminate solutions |
US3397953A (en) * | 1965-03-04 | 1968-08-20 | Atlas Chem Ind | Flocculating agent |
JPS6046923A (ja) * | 1983-08-23 | 1985-03-14 | Mitsubishi Chem Ind Ltd | ベ−マイト |
US4608237A (en) * | 1985-04-24 | 1986-08-26 | Nalco Chemical Company | Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation |
GB8519107D0 (en) * | 1985-07-29 | 1985-09-04 | Allied Colloids Ltd | Flocculation process |
US5106599A (en) * | 1990-02-06 | 1992-04-21 | Nalco Chemical Company | Alumina crystal growth additive |
EP0465055B1 (fr) * | 1990-06-25 | 1997-04-16 | Nalco Australia Pty. Limited | Modification de la croissance de cristaux |
-
1990
- 1990-12-07 DE DE4039053A patent/DE4039053A1/de not_active Withdrawn
-
1991
- 1991-11-28 EP EP91920438A patent/EP0560808B1/fr not_active Expired - Lifetime
- 1991-11-28 AT AT91920438T patent/ATE120435T1/de not_active IP Right Cessation
- 1991-11-28 CA CA002097934A patent/CA2097934C/fr not_active Expired - Fee Related
- 1991-11-28 BR BR919107146A patent/BR9107146A/pt not_active IP Right Cessation
- 1991-11-28 ES ES91920438T patent/ES2070524T3/es not_active Expired - Lifetime
- 1991-11-28 DE DE59105062T patent/DE59105062D1/de not_active Expired - Fee Related
- 1991-11-28 US US08/070,364 patent/US5312603A/en not_active Expired - Fee Related
- 1991-11-28 AU AU89576/91A patent/AU644918B2/en not_active Ceased
- 1991-11-28 WO PCT/EP1991/002251 patent/WO1992010426A1/fr active IP Right Grant
-
1995
- 1995-04-12 GR GR950400904T patent/GR3015756T3/el unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0271104A2 (fr) * | 1986-12-11 | 1988-06-15 | Aluminum Company Of America | Hydroxyde d'aluminium sous forme cristalline contrôlée |
EP0286034A1 (fr) * | 1987-04-09 | 1988-10-12 | Nalco Chemical Company | Utilisation de tensio-actifs pendant la précipitation d'alumine dans le procédé Bayer |
EP0327660A1 (fr) * | 1988-02-11 | 1989-08-16 | VAW Aluminium AG | Procédé pour la production de matières de remplissage et de matériaux ignifugents à base d'hydroxyde d'aluminium sous forme d'hydrargillite |
Also Published As
Publication number | Publication date |
---|---|
EP0560808B1 (fr) | 1995-03-29 |
WO1992010426A1 (fr) | 1992-06-25 |
EP0560808A1 (fr) | 1993-09-22 |
BR9107146A (pt) | 1993-11-16 |
ATE120435T1 (de) | 1995-04-15 |
DE4039053A1 (de) | 1992-06-11 |
ES2070524T3 (es) | 1995-06-01 |
CA2097934C (fr) | 2002-04-09 |
US5312603A (en) | 1994-05-17 |
CA2097934A1 (fr) | 1992-06-08 |
AU8957691A (en) | 1992-07-08 |
GR3015756T3 (en) | 1995-07-31 |
DE59105062D1 (en) | 1995-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |